/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package vn.ac.c0910g.assignment.Servlet;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import vn.ac.c0910g.assignment.DAO.CategoryDAO;
import vn.ac.c0910g.assignment.Entity.Category;

/**
 *
 * @author BachLe
 */
public class CategoryServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        PrintWriter out = response.getWriter();
        CategoryDAO catDAO = new CategoryDAO();
        String xmlResponse = "<result>";
        try {
            int catId = (Integer.parseInt(request.getParameter("id")));
            int parentId = (Integer.parseInt(request.getParameter("parentId")));
            String name = (String)(request.getParameter("cateName"));
//            int visible = (Integer.parseInt(request.getParameter("visible")));
            String action = (String)request.getParameter("action");

            Category category = new Category();
            category.setCategoryID(catId);
            category.setParentID(parentId);
            category.setCategoryName(name);
//            category.setVisiable(visible);

            if(action.equalsIgnoreCase("add")){
                catDAO.addCategory(category);
            }else if(action.equalsIgnoreCase("edit")){
                catDAO.updateCategory(category);
            }else if(action.equalsIgnoreCase("delete")){
                catDAO.deleteCategory(category);
            }
            xmlResponse = xmlResponse + "success";
        }catch(Exception e){
            xmlResponse = xmlResponse + " error " + e.getMessage() ;
        } finally {
            xmlResponse = xmlResponse + "</result>";
            out.print(xmlResponse);
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
